US3391374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric receptacle
Assignee: Arrow Hart and Hegeman Electric Co
•
Filing: 1966-04-27
•
Granted: 1968-07-02
•
Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harold E Schleicher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:33
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126239A
Cited
US1817441A
Cited
US1990087A
Cited
GB379828A
Cited
US1909270A
Cited
US1998353A
Cited
US2105884A
Cited
US2262712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |